﻿<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title>Three框架</title>
		<script src="three.js"></script>
		<script src="TrackballControls.js"></script>
		<style type="text/css">
			div#canvas-frame {
				border: none;
				cursor: pointer;
				width: 100%;
				height: 600px;
				background-color: #EEEEEE;
			}

		</style>
		<script>
            var renderer;
            function initThree() {
                width = document.getElementById('canvas-frame').clientWidth;
                height = document.getElementById('canvas-frame').clientHeight;
                renderer = new THREE.WebGLRenderer({
                    antialias : true
                });
                renderer.setSize(width, height);
                document.getElementById('canvas-frame').appendChild(renderer.domElement);
                renderer.setClearColorHex(0xAAAAAA, 1.0);
            }

            var camera;
            function initCamera() {
                camera = new THREE.PerspectiveCamera(45, width / height, 1, 10000);
                camera.position.x = 0;
                camera.position.y = 1000;
                camera.position.z = 0;
                camera.up.x = 0;
                camera.up.y = 0;
                camera.up.z = 1;
                camera.lookAt({
                    x : 0,
                    y : 0,
                    z : 0
                });
            }

            var scene;
            function initScene() {
                scene = new THREE.Scene();
            }

            var light;
            function initLight() {
                light = new THREE.DirectionalLight(0xFF0000, 1.0, 0);
                light.position.set(100, 100, 200);
                scene.add(light);
            }

            var cube;
            function initObject() {

				var geometry = new THREE.SphereGeometry( 130, 50, 50);
				var mesh2 = new THREE.Mesh(geometry,new THREE.MeshBasicMaterial( { color: 0xA1634E} ) );
				
				mesh2.scale.x = 0.75;
				scene.add( mesh2 );
            }
			
			var controls;
			function setControl()
			{
				controls = new THREE.TrackballControls( camera );

				/*
				controls.rotateSpeed = 5.0;
				controls.zoomSpeed = 5;
				controls.panSpeed = 2;

				controls.noZoom = false;
				controls.noPan = false;

				controls.staticMoving = false;
				controls.dynamicDampingFactor = 0.3;*/
			}
			

            function threeStart() {
                initThree();
                initCamera();
                initScene();
                initLight();
                initObject();
				setControl();
				animate();

            }

			function animate(){
				controls.update();
				renderer.clear();
                renderer.render(scene, camera);
				requestAnimationFrame(animate);
			}
			
		</script>
	</head>

	<body onload="threeStart();">
		<div id="canvas-frame"></div>
	</body>
</html>